Abstract
We developed an interactive sonification system that lets users listen to their own hand/arm movement and bicep muscle signals as sonic feedback during biceps curls exercise. The system aims to improve the exercise quality and user motivation. Based on two studies, we found that the sonification was more effective in providing temporal cues to slow down the repetition but not as effective as hoped in extending the vertical movement range and increasing repetition amount. The studies provide some design guidelines for multivariate sonification and also reflect a wider potential for applications that include general fitness, physiotherapy, and sports training.
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